CVE-2023-31042Network attack vector

Authenticated interruption of data access and replication

Published Oct 2, 2023 · Updated Sep 23, 2024

Denial of service in Pure Storage Purity//FB allows remote authenticated users to interrupt data access and replication through object storage. Pure Storage has not published the flaw’s code-level locus or the operation performed incorrectly on object-store requests. Exploitation requires authenticated access to the object store protocol; the reported consequence is limited to availability of data-access and replication protocols.

CVSS severity7.7
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Pure Storage Purity//FB allows remote authenticated users to interrupt data access and replication through object storage. Pure Storage has not published the flaw’s code-level locus or the operation performed incorrectly on object-store requests. Exploitation requires authenticated access to the object store protocol; the reported consequence is limited to availability of data-access and replication protocols.

The record

CVE
CVE-2023-31042
Published
Oct 2, 2023
Updated
Sep 23, 2024
Vendor
Pure Storage
Product
Purity//FB
Classifications
T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.3.6, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0, 4.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Pure Storage · Purity//FBversion=3.3.6, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0, 4.1.1

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
7.7Pure StorageCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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